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【单选题】
一对标准直齿园柱齿轮传动,模数为 2mm ,齿数分别为 20 、 30 ,则两齿轮传动的中心距为 。
A.
100 mm
B.
200 mm
C.
50 mm
D.
45mm
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【单选题】which assumption assumes a business entity consists of a series of same length of time, such as a month, a quarter, a half year or one year
A.
Business entity assumption
B.
Going concern assumption
C.
Time period assumption
D.
Monetary unit assumption
【单选题】What is the difference between a bias and an assumption? Check one option.
A.
A bias is a form of stereotype while an assumption is a type of evidence.
B.
A bias is a type of evidence while an assumption is a form of stereotype.
C.
A bias is a type claim with no evidence and an assumption is a prejudice for or against someone or something.
D.
A bias is a prejudice for or against someone or something and an assumption is a type of claim with no evidence.
【单选题】One assumption of the new classical model is that
A.
money wage rates are rigid.
B.
prices are "sticky" upward.
C.
people make rational expectations about aggregate demand.
D.
markets are not purely competitive.
【单选题】According to Paragraph 2, one traditional assumption is that people with______incomes borrow most.
A.
average
B.
stable
C.
decreasing
D.
rising
【简答题】下图是人体血液循环模式图,请分析回答: (1)用图中的序号、名称(只写出心脏各腔以及相连的主要血管)和箭头表示出体循环路线:_______________________________________________________________。 (2)用图中的序号、名称(只写出心脏各腔以及相连的主要血管)和箭头表示出肺循环路线:_______________________________...
【简答题】血液从心脏、血管内外出,称为_____,血液流入组织间隙或体腔内称_____,血液流出到体外称_____。
【单选题】All but one of the following is an assumption of Realism.
A.
International cooperation
B.
Anarchy
C.
States as main actors
D.
States as rational actors
【单选题】One implication of the assumption of rationality is that __________.
A.
states are unitary actors that can think about their actions coherently and make choices
B.
while a state can identify its interests, putting priorities on them is nearly impossible
C.
states are very rarely capable of performing a cost-benefit analysis on actions
D.
states’ decisions always have beneficial consequences
【单选题】All but one of the following is an assumption of Realism.
A.
States as main actors
B.
anarchy
C.
States as rational actors
D.
international cooperation
【简答题】如图是人体血液循环模式图,请分析回答: (1)用图中的序号、名称(只写出心脏各腔以及相连的主要血管)和箭头表示出体循环路线([]):______ (2)用图中的序号、名称(只写出心脏各腔以及相连的主要血管)和箭头表示出肺循环路线([]):______ (3)人体从外界吸入的氧与体内产生的二氧化碳在[______]______([]内填图中结构代码,其后填相应结构的名称)处进行交换,由此血液的性质发...
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